# Probability Rules

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320 of the male students are smokers and 480 are non-smokers. 450 of the female students are smokers and 450 are none smokers. What is the probability that a male student and a female student, both chosen randomly, are both smokers?

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#### Solution Preview

The choices of the male and female students are independent of one another, so we can find the probability that both are smoker simply by ...

#### Solution Summary

The probability rules of smokers and non-smokers study is examined.

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